-al -ol a-a a-c aaa aac aaf aah aal aao aas ac- aca acc acf ach acl aco acs af- afa afc aff afh afl afo afs aha ahc ahf ahh ahl aho ahs al- ala alc alf alh all alo als aoa aoc aof aoh aol aoo aos as- asa asc asf ash asl aso ass c-- caa cac caf cah cal cao cas cca ccc ccf cch ccl cco ccs cfa cfc cff cfh cfl cfo cfs ch- cha chc chf chh chl cho chs cl- cla clc clf clh cll clo cls co- coa coc cof coh col coo cos csa csc csf csh csl cso css faa fac faf fah fal fao fas fca fcc fcf fcl fco fcs ffa ffc fff ffh ffl ffo ffs fha fhc fhf fhh fhl fho fhs fla flc flf fll flo fls foa foc fof foh fol foo fos fsa fsc fsf fsh fsl fso fss haa hac haf hah hal hao has hca hcc hcf hch hcl hco hcs hfa hfc hff hfh hfl hfo hfs hha hhc hhf hhh hhl hho hhs hla hlc hlf hlh hll hlo hls hoa hoc hof hoh hol hoo hos hsa hsc hsf hsh hsl hss la- laa lac laf lah lal lao las lca lcc lcf lch lcl lco lcs lfa lfc lff lfh lfl lfo lfs lha lhc lhf lhh lho lhs lla llc llf lll llo lls loa loc lof loh lol loo los lsa lsc lsf lsh lsl lso lss oaa oac oaf oah oal oao oas oc- oca occ ocf och ocl oco ocs of- ofa ofc off ofl ofo ofs oha ohc ohf ohh ohl oho ohs ola olc olf oll olo ols oo- ooa ooc oof ooh ool ooo oos os- osa osc osf osh osl oso oss saa sac saf sah sal sao sas sca scc scf sch scl sco scs sfa sfc sff sfh sfl sfo sfs sh- sha shc shf shh shl sho shs sla slc slf slh sll slo sls soa soc sof soh sol soo sos ss- ssa ssc ssf ssh ssl sso sss